<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="活动名称" prop="activityName">
        <el-input v-model="queryParams.activityName" placeholder="请输入活动名称" clearable
          @keyup.enter.native="handleQuery" />
      </el-form-item>
      <!-- <el-form-item label="活动课程ID" prop="courseId">
        <el-input v-model="queryParams.courseId" placeholder="请输入活动课程ID" clearable @keyup.enter.native="handleQuery" />
      </el-form-item> -->
      <el-form-item label="课程名称" prop="courseName">
        <el-input v-model="queryParams.courseName" placeholder="请输入课程名称" clearable @keyup.enter.native="handleQuery" />
      </el-form-item>
      <el-form-item label="活动数量" prop="activityCount">
        <el-input v-model="queryParams.activityCount" placeholder="请输入活动数量" clearable
          @keyup.enter.native="handleQuery" />
      </el-form-item>
      <el-form-item label="开始时间" prop="beginTime">
        <el-date-picker clearable v-model="queryParams.beginTime" type="date" value-format="yyyy-MM-dd"
          placeholder="请选择开始时间">
        </el-date-picker>
      </el-form-item>
      <el-form-item label="结束时间" prop="endTime">
        <el-date-picker clearable v-model="queryParams.endTime" type="date" value-format="yyyy-MM-dd"
          placeholder="请选择结束时间">
        </el-date-picker>
      </el-form-item>
      
      <el-form-item label="活动状态" prop="activityState">
        <el-select v-model="queryParams.activityState" placeholder="请选择活动状态">
          <el-option label="未开始" value="0"></el-option>
          <el-option label="正在秒杀" value="1"></el-option>
          <el-option label="已结束" value="2"></el-option>
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button type="primary" plain icon="el-icon-plus" size="mini" @click="handleAdd"
          v-hasPermi="['system:activity:add']">新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="success" plain icon="el-icon-edit" size="mini" :disabled="single" @click="handleUpdate"
          v-hasPermi="['system:activity:edit']">修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="danger" plain icon="el-icon-delete" size="mini" :disabled="multiple" @click="handleDelete"
          v-hasPermi="['system:activity:remove']">删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="warning" plain icon="el-icon-download" size="mini" @click="handleExport"
          v-hasPermi="['system:activity:export']">导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="activityList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="ID" align="center" prop="activityId" />
      <el-table-column label="活动名称" align="center" prop="activityName" />
      <!-- <el-table-column label="活动课程ID" align="center" prop="courseId" /> -->
      <el-table-column label="课程名称" align="center" prop="courseName" />
      <el-table-column label="活动数量" align="center" prop="activityCount" />
      <el-table-column label="开始时间" align="center" prop="beginTime" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.beginTime, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="结束时间" align="center" prop="endTime" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.endTime, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="活动状态" align="center" :formatter="activityState" prop="activityState" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button size="mini" type="text" icon="el-icon-edit" @click="handleUpdate(scope.row)"
            v-hasPermi="['shop:activity:edit']">修改</el-button>
          <el-button size="mini" type="text" icon="el-icon-delete" @click="handleDelete(scope.row)"
            v-hasPermi="['shop:activity:remove']">删除</el-button>
          <el-button size="mini" type="text" icon="el-icon-s-promotion" @click="handleSend(scope.row)"
            v-hasPermi="['shop:activity:send']">发送优惠券</el-button>
          <el-button size="mini" type="text" icon="el-icon-s-promotion" v-if="scope.row.activityState==1" @click="handleGet(scope.row)"
            v-hasPermi="['shop:activity:get']">抢购</el-button>
          <el-button size="mini" type="text" icon="el-icon-s-promotion" v-if="scope.row.activityState==1"
            @click="handleKill(scope.row)" v-hasPermi="['shop:activity:kill']">开始秒杀</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination v-show="total > 0" :total="total" :page.sync="queryParams.pageNum" :limit.sync="queryParams.pageSize"
      @pagination="getList" />

    <!-- 添加或修改秒杀对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="活动名称" prop="activityName">
          <el-input v-model="form.activityName" placeholder="请输入活动名称" />
        </el-form-item>
        <el-form-item label="活动课程ID" prop="courseId">
          <el-input v-model="form.courseId" placeholder="请输入活动课程ID" />
        </el-form-item>
        <el-form-item label="课程名称" prop="courseName">
          <el-input v-model="form.courseName" placeholder="请输入课程名称" />
        </el-form-item>
        <el-form-item label="活动数量" prop="activityCount">
          <el-input v-model="form.activityCount" placeholder="请输入活动数量" />
        </el-form-item>
        <el-form-item label="开始时间" prop="beginTime">
          <el-date-picker clearable v-model="form.beginTime" type="date" value-format="yyyy-MM-dd"
            placeholder="请选择开始时间">
          </el-date-picker>
        </el-form-item>
        <el-form-item label="结束时间" prop="endTime">
          <el-date-picker clearable v-model="form.endTime" type="date" value-format="yyyy-MM-dd" placeholder="请选择结束时间">
          </el-date-picker>
        </el-form-item>
       
        <el-form-item label="活动状态" prop="activityState">
          <el-select v-model="form.activityState" placeholder="请选择活动状态">
            <el-option label="未开始" value="0"></el-option>
            <el-option label="正在秒杀" value="1"></el-option>
            <el-option label="已结束" value="2"></el-option>
          </el-select>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listActivity, getActivity, delActivity, addActivity, updateActivity } from "@/api/shop/activity";

export default {
  name: "Activity",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 秒杀表格数据
      activityList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        activityName: null,
        courseId: null,
        courseName: null,
        activityCount: null,
        beginTime: null,
        endTime: null,
        activityState: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    //活动状态  0未开始 1正在秒杀 2已结束
    activityState(row) {
      if (row.activityState == 0) {
        return '未开始'
      }
      else if (row.activityState == 1) {
        return '正在秒杀'
      }
      else if (row.activityState == 2) {
        return '正在秒杀'
      }
      else {
        return '未知状态'
      }
    },
    /** 查询秒杀列表 */
    getList() {
      this.loading = true;
      listActivity(this.queryParams).then(response => {
        this.activityList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        activityId: null,
        activityName: null,
        courseId: null,
        courseName: null,
        activityCount: null,
        beginTime: null,
        endTime: null,
        activityState: null,
        createBy: null,
        updateBy: null,
        delFlag: null,
        createTime: null,
        updateTime: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.activityId)
      this.single = selection.length !== 1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加秒杀";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const activityId = row.activityId || this.ids
      getActivity(activityId).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改秒杀";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.activityId != null) {
            updateActivity(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addActivity(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const activityIds = row.activityId || this.ids;
      this.$modal.confirm('是否确认删除秒杀编号为"' + activityIds + '"的数据项？').then(function () {
        // return delActivity(activityIds);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => { });
    },
    /** 发送优惠券按钮操作 */
    handleSend(row) {
      const activityIds = row.activityId || this.ids;
      this.$modal.confirm('是否确认发放秒杀编号为"' + activityIds + '"的数据项？').then(function () {
        return delActivity(activityIds);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("优惠券发放成功");
      }).catch(() => { });
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('system/activity/export', {
        ...this.queryParams
      }, `activity_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
